Yamaha’s 2021 motocross competition line-up continues to raise the bar of competitive performance. Additionally, there is a full two-stroke line-up consisting of the YZ65, YZ85, YZ125 and YZ250.
Introducing the updated YZ250F, featuring a thoroughly refined engine, revised frame, new suspension settings and new brakes. For 2021, the YZ250F gets significant engine, frame, suspension and brake updates to deliver more power and nimble yet confidence-inspiring handling.
Also, introducing the 2021 YZ450F, with an updated engine, cylinder head, frame and Launch Control System.
What’s new for the 2021 YZ250F?
- • The new 250cc, liquid-cooled, four-stroke, electric start engine features an all-new cylinder head with an improved intake port shape and new camshaft profile.
- • There is a new air box and intake track, silencer and an updated ECU. These modifications, along with an updated transmission and shift cam, revised clutch design and improved water pump impeller produce a more competent machine.
- • The lightweight aluminium, bilateral beam frame has redesigned engine mounts with better flex characteristics.
- • The Kayaba SSS forks have enhanced speed-sensitive damping, while the Kayaba shock gets revised damping.
- • Top triple clamp, handlebar mounts and front axle were redesigned to complement the new frame.
- • Improved braking performance is achieved with lighter weight front and rear brake callipers, larger brake pads and redesigned 270mm front and 240mm rear rotors.
- • Standard equipment includes electric start, lithium battery, fuel injection, downdraft intake tract and rear-exit exhaust layout.
- • Racers can adjust ECU straight from their phone using the on board Wi-Fi Yamaha Power Tuner App.
What’s new for the 2021 YZ450F?
- • Ultra-compact 450cc 4-valve engine, power with control
- • Rearward-slanted cylinder gives mass centralized design
- • Reversed cylinder head with forward-facing inlet and rear-exit exhaust
- • Yamaha Power Tuner for instant trackside tuning via a smartphone
- • 2-mode handlebar button for switching engine power map while riding
- • Compact electric starter with ultra-light battery
- • Launch Control System (LCS) optimizes engine output for quicker starts
- • Agile and lightweight aluminium bilateral beam frame delivers precise handling
- • Slim line body and seat for ultimate ergonomics
- • Industry-leading KYB® coil spring-type speed sensitive front suspension
- • Link-type Monocross rear suspension with specially tuned KYB® shock
- • Lightweight wheels with blue rims
- • 270mm front disc, 240mm rear disc
- • 4-position adjustable rubber-mounted handlebar clamp
- • Tapered aluminium handlebars with quick-adjust clutch perch
The 2021 Yamaha YZ Competition range features a truly diverse and exciting range of models for racers and riders of all ages and levels of experience. With their liquid-cooled 2-stroke engines and high-specification chassis designs, the YZ65 and YZ85 give youth racers the very best start into motocross - while the YZ125 is the perfect bike for teenagers to sharpen their race skills before moving up to the adult category. The all-new YZ250F and recently-redesigned YZ450F come with the most advanced technology. Then there's the legendary YZ250, Yamaha's ultimate 2-stroke motocross bike with a loyal following of committed racers and leisure riders all over the world.
Yamaha remains committed to welcoming everybody to the victorYZone.
